51. The distance between the centre of a rivet hole to the nearest edge of plate, is called
margin
pitch
back pitch
diagonal pitch
✅ The correct answer is option A.
Strength of Materials MCQs
52. Two closely-coiled helical springs ‘A’ and ‘B’ of the same matenal, same number of turns and made from same wire are subjected to an axial load W. The mean diameter of spring ‘A’ is double the mean diameter of spring ‘B’. The ratio of deflections in spring ‘B’ to spring ‘A’ will be
1-Aug
1-Apr
2
4
✅ The correct answer is option A.
53. A localised compressive stress at the area of contact between two members is known as
tensile stress
bending stress
crushing stress
shear stress
✅ The correct answer is option C.
54. The maximum shear stress is __________ the algebraic difference of maximum and minimum normal stresses.
equal to
one-fourth
one-half
twice
✅ The correct answer is option C.
55. For a beam, as shown in the below figure, the maximum deflection lies at
from B
from A
from B
from A
✅ The correct answer is option C.
56. When a load on the free end of a cantilever beam is increased, failure will occur
at the free end
at the fixed end
in the middle of the beam
at a distance 2l/3 fro
✅ The correct answer is option B.
57. A flitched beam is used to
change the shape of the beam
effect the saving in material
equalise the strength in tension and compression
increase the cross-sec
✅ The correct answer is option C.
58. The ratio of the largest load in a test to the original cross-sectional area of the test piece is called
elastic limit
yield stress
ultimate stress
breaking stress
✅ The correct answer is option C.
59. The state of stress at a point in a loaded member is shown in the below figure. The magnitude of maximum shear stress is
10 MPa
30 MPa
50 MPa
100 MPa
✅ The correct answer is option C.
60. In a thick cylindrical shell subjected to an internal pressure (p), the radial stress across the thickness of the cylinder is
maximum at the outer surface and minimum at the inner surface
maximum at the inner surface and minimum at the outer surface
maximum at the outer surface and zero at the inner surface
maximum at the inner s
✅ The correct answer is option D.